CN104284232A - Television remote control system and method based on brain-machine interface - Google Patents
Television remote control system and method based on brain-machine interface Download PDFInfo
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- CN104284232A CN104284232A CN201410552885.6A CN201410552885A CN104284232A CN 104284232 A CN104284232 A CN 104284232A CN 201410552885 A CN201410552885 A CN 201410552885A CN 104284232 A CN104284232 A CN 104284232A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- VZCCETWTMQHEPK-QNEBEIHSSA-N gamma-linolenic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/CCCCC(O)=O VZCCETWTMQHEPK-QNEBEIHSSA-N 0.000 claims abstract description 21
- 210000004556 brain Anatomy 0.000 claims abstract description 20
- 238000011161 development Methods 0.000 claims abstract description 7
- 210000004761 scalp Anatomy 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000012545 processing Methods 0.000 abstract description 6
- 230000001149 cognitive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000537 electroencephalography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42201—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] biosensors, e.g. heat sensor for presence detection, EEG sensors or any limb activity sensors worn by the user
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/4221—Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42226—Reprogrammable remote control devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a television remote control system and method based on a brain-machine interface. The television remote control system comprises an Epoc earphone, a host PC, a remote-control unit with a USB control circuit and a digital television; the Epoc earphone is an electroencephalogram earphone, and electroencephalogram signals of the scalp of a tested person are collected by the Epoc earphone through 14 liquid state electrode sensors; the host PC comprises a matched electroencephalogram analysis and processing SDK used for the secondary development and application; the remote-control unit with the USB control circuit is characterized in that a control circuit and a USB adapter are additionally arranged on the basis of a common remote-control unit so that commands on the PC can control the remote-control unit and further control the digital television. According to the television remote control system and method, user intentions are obtained by reading brain waves, and then converted through the brain-machine interface technology to control the remote-control unit and further control the digital television, the target that a family television can be controlled without the limbs, and convenience is brought to certain people with limb function disorders.
Description
Technical field
The present invention relates to brain machine combination technology field, be specifically related to a kind of tv remote control system based on brain-computer interface and method.
Background technology
At present, home videos realizes digitlization substantially.Current 3D TV, cloud TV and intelligent television are very the most intimate by domestic consumer.Although Digital Television constantly obtains development, but not making progress with the mode of digital television interactive, is still the remote control adopting infrared communication.
On the other hand, brain-computer interface technology is continuous in development.During the mode of man-machine interaction constantly develops, this comprises the digital glasses that Google and Apple are about to release, the clothes etc. of some Intellisenses.Say from this respect, introducing in digital home by state-of-the-art brain-machine interaction technology is a technology of highly attempting.
Existing remote control system is very simple, is touched the button exactly then instruction received by infrared being sent in Digital Television by people.Existing remote control system can not meet the further demand of people, particularly can not manipulate remote control to some individuals with disabilities, just means the control that can not realize TV.
Summary of the invention
The object of the invention is to propose a kind of digital television remote control system based on brain-computer interface technology, system gathers EEG signals by the brain wave acquisition device being worn on head, then be converted into control command by thoughtcast analyzing and processing, then order is controlled TV by USB remote controller.
Embodiments provide a kind of tv remote control system based on brain-computer interface, comprise Epoc earphone, host PC, the remote controller of band USB control circuit and Digital Television, described Epoc earphone is a kind of electroencephalogram (EEG) earphone, and described Epoc earphone adopts the EEG signals of 14 liquid electrode transducer collecting test person scalps; Contain supporting electroencephalogramsignal signal analyzing and treatment S DK in described host PC, in order to secondary development and application; Remote control with USB control circuit is access control circuit and USB switching on the basis of normal remote control, makes the instruction on PC can control remote control and then control figure TV.
Accordingly, the invention process additionally provides a kind of method gathering eeg signal based on EPOC earphone, comprising:
Based on the electric wave signal of 14 electrode measurement brain cortex different parts of Epoc earphone, then pass to PC main frame through wireless transmission; Wireless interface receiving end is supporting USB wireless transceiver, sends to main frame after receiving signal by USB port.
The present invention has following beneficial effect, the present invention obtains the intention of user by reading brain wave, then this intention is converted by brain-computer interface technology and control remote control and then control TV, the target controlling home videos can be issued in the situation without limbs, to a kind of experience completely newly of user, and provide conveniently for the personage of some limbs disturbances.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the tv remote control system structure chart based on brain-computer interface technology in the embodiment of the present invention;
Fig. 2 is the flow chart being gathered eeg signal by EPOC earphone in the embodiment of the present invention;
Fig. 3 is the signal processing flow figure in the PC main frame in the embodiment of the present invention;
Fig. 4 is the thoughtcast analysis process figure in the embodiment of the present invention;
Fig. 5 is USB remote control in the embodiment of the present invention and control planning exemplary plot;
Fig. 6 is the firmware program flow chart of the control circuit in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The object of the invention is to propose a kind of digital television remote control system based on brain-computer interface technology, system gathers EEG signals by the brain wave acquisition device being worn on head, then be converted into control command by thoughtcast analyzing and processing, then order is controlled TV by USB remote controller.
Traditional TV remote is that its changeability is fewer directly by infrared control TV, so the possibility improved is little.Along with the development of brain-computer interface technology, the digital television remote control system based on brain-computer interface technology becomes feasible.Native system is exactly wherein a kind of implementation method.As shown in Figure 1 be the system construction drawing of native system, comprise EPOC earphone, host PC, the remote controller of band USB control circuit and Digital Television.Epoc earphone is a kind of electroencephalogram (EEG) earphone of Emotiv System company research and development, and this earphone adopts the EEG signals of 14 liquid electrode transducer collecting test person scalps.Supporting electroencephalogramsignal signal analyzing and treatment S DK that EmotivSystem company provides is contained, for us secondary development and application in host PC.Remote control [1] with USB control circuit is access control circuit and USB switching on the basis of normal remote control, makes the instruction on PC can control remote control and then control figure TV.
Hereafter by detailed description native system how from the collection of brain wave, brain wave is translated as instruction then by remote control device TV.
Shown in Fig. 2 is the flow chart being gathered eeg signal by EPOC earphone.EEG (Electroencephalography) signal, also be eeg signal, be when one of pre-test and the three kinds of modes gathering brain wave signal, this mode is the brain wave gathering scalp, belong to hurtless measure collection, so be the technology of current relative extensive use.Other two kinds of methods all need inside inductor being implanted to brain, belong to wound and measure, but have higher precision.Native system belongs to daily use, does not have special demands to precision, as long as can identify specific severally to order, so have selected the EEG mode of hurtless measure type.EEG collector has a lot, and native system adopts the EPOC earphone of Emotiv System company.This earphone, by the electric wave signal of 14 electrode measurement brain cortex different parts, then passes to PC main frame through wireless transmission.Wireless interface receiving end is supporting USB wireless transceiver, sends to main frame after receiving signal by USB port.
After collecting brain wave by EPOC earphone, need to understand these brain wave signals.A set of SDK and software is provided with the Emotiv System company that EPOC earphone is supporting.As shown in Figure 3 be signal processing flow in native system PC main frame, complete the conversion from brain wave signal to remote signal by this flow process.First need as shown in the figure through EEG signal process, then enter into state buffer, the data in buffering area can be supplied to the external world and inquire about.Is Emotiv api interface outside SDK, and for providing the exploitation of developer application, system itself is also with a set of C++ thoughtcast analysis software, and we need the instruction of decoded instruction and remote controller to be associated on this basis.
How the instruction in Emotiv system and the instruction correspondence in digital television remote control to be associated is need us to formulate rational incidence relation.EPOC can detect human brain 12 kinds of Mental imagery, comprises 6 directions (, forward, and amplifying) and 6 kinds of rotations (turn clockwise, be rotated counterclockwise, turn left, turn right, tilted forwards, waves backward) left, to the right, upwards, downwards.The corresponding relation of as shown in table 1 is action and TV remote order in EEG in native system.Native system does not realize too much instruction and mainly considers based on simplifying the operation and training.User uses brain-computer interface earphone to need through preliminary training, make the order that grasp thinking that the thinking of oneself can be relatively accurate is corresponding, if order is too many, thinking is easily chaotic, so consider based in the ease for use of user, current of native system achieves 5 operational orders.If along with further developing of brain-computer interface technology, do not get rid of and increase more order.As can be seen from the table, comprise channel adjustment, volume adjusts and switching on and shutting down all achieve correspondence, controls enough to basic TV.
The cognitive numerical value of action of table 1 predefine and the guidance command of correspondence
| Type of action | Corresponding numerical value | TV remote order |
| Push (pushing away) | 0X0002 | Channel down |
| Pull (drawing) | 0X0004 | Channel increases |
| Right (to the right) | 0x0040 | Volume increases |
| Left (left) | 0x0020 | Volume down |
| Drop (falling) | 0x0010 | Electric power on/off |
According to table 1, can know that first brain wave is converted into some such as instructions such as Push (pushing away), Pull (drawing), then these instructions and our application are associated by we.Whole translation process needs to be undertaken processing that by the thoughtcast analysis process shown in Fig. 4 and can realize.
Thoughtcast analysis is mainly by the supporting engine implementation that Emotiv company provides, and comprise the step that initialization, major cycle and termination three are large, its concrete steps are as follows:
Step1: connect Emotiv engine.With a set of brain-computer interface automotive engine system being treated to core with signal transacting, translation and thoughtcast based on windows system that brain wave earphone matches, it completes the decoding identification to earphone signal.Turn Step2;
Step2: retrieval current state.Determining whether new events, if not then continuing to monitor, if it is turning Step3;
Step3: event is classified, and this needs to carry out Classification and Identification by existing learning sample, if event is not cognitive event, do not process, continues to turn Step2 and monitors, otherwise turn Step4;
Step4: after being defined as cognitive event, also will judge whether further to meet specific action, such as native system define only 5 kinds of effective actions, if we outside these 5 kinds of actions do to ignore process, otherwise then associate according to table 1, order is accordingly sent in remote controller.Turn Step5;
Step5: whether meet end condition, if met, enters termination phase, closes automotive engine system, or this link is closed, otherwise continues the process of next monitoring event.
Next be to remote controller and by the process of remote control device TV by command routing.In order to allow remote controller can receive from the order in PC, we have employed USB remote controller, and it is a kind of remote controller of normal remote control band USB control circuit, can control corresponding instruction, and be sent to TV by infrared by USB.
As shown in Figure 5 be USB remote control and control planning, it be using in PC analysis software export data as input, then change into instruction corresponding to respective keys in remote controller by the conversion of control circuit, be sent to TV finally by infrared.Control circuit is the core in whole remote control, and it comprises USB adapter, the mapping to data and the design on control circuit to remote controller.These control circuits are not the parts that native system needs to further illustrate, and next we need to set forth it is how to be applied to native system.The basic procedure of the firmware program namely brushed in control circuit.As shown in Figure 6, be exactly the firmware program flow chart of controller, concrete steps are as follows:
Step1: with the output data of analysis software for input, first need initialization control circuit, initialization here mainly comprises and arranges clock frequency, arranges the initialization etc. of register pin and serial ports.Turn Step2;
Step2: wait pending data to input, the input of the pending datas such as the generation of the listening port event of control circuit circulation.Turn Step3;
Step3: have data to input, will input data stuffing to Char* buffering area, regard character string as by data; Turn Step4;
Step4: character string is converted to double-digit integer by ASCII character, can directly get corresponding numerical value, also can deduct certain value, and this mainly will match with the numerical value of ordering in remote control, and the corresponding this paper of such as, numerical value in table 1 taked.Turn Step5;
Step5: perform data.Data being performed directly sends to general remote controller to perform by circuit, and remote control is performed to TV by infrared transmission order.Execute this order, proceed to the input of monitoring and waiting for next data.
The present invention has following beneficial effect, the present invention obtains the intention of user by reading brain wave, then this intention is converted by brain-computer interface technology and control remote control and then control TV, the target controlling home videos can be issued in the situation without limbs, to a kind of experience completely newly of user, and provide conveniently for the personage of some limbs disturbances.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
A kind of tv remote control system based on brain-computer interface provided the embodiment of the present invention above and method are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (2)
1. the tv remote control system based on brain-computer interface, it is characterized in that, comprise Epoc earphone, host PC, the remote controller of band USB control circuit and Digital Television, described Epoc earphone is a kind of electroencephalogram (EEG) earphone, and described Epoc earphone adopts the EEG signals of 14 liquid electrode transducer collecting test person scalps; Contain supporting electroencephalogramsignal signal analyzing and treatment S DK in described host PC, in order to secondary development and application; Remote control with USB control circuit is access control circuit and USB switching on the basis of normal remote control, makes the instruction on PC can control remote control and then control figure TV.
2. gather a method for eeg signal based on EPOC earphone, it is characterized in that, comprising:
Based on the electric wave signal of 14 electrode measurement brain cortex different parts of Epoc earphone, then pass to PC main frame through wireless transmission; Wireless interface receiving end is supporting USB wireless transceiver, sends to main frame after receiving signal by USB port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410552885.6A CN104284232A (en) | 2014-10-17 | 2014-10-17 | Television remote control system and method based on brain-machine interface |
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| CN201410552885.6A CN104284232A (en) | 2014-10-17 | 2014-10-17 | Television remote control system and method based on brain-machine interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017000733A1 (en) * | 2015-06-30 | 2017-01-05 | 深圳市九洲电器有限公司 | Set-top box, and set-top box control method, device and system based on brainwave signal |
| CN107291227A (en) * | 2017-06-14 | 2017-10-24 | 烟台职业学院 | A kind of electronic computer interface driver system |
| CN110572444A (en) * | 2019-08-21 | 2019-12-13 | 深圳市普威技术有限公司 | System and method for transmitting neural signals |
| CN110955330A (en) * | 2019-11-22 | 2020-04-03 | 燕山大学 | Complex object control-based high-arousal-degree electroencephalogram intention distinguishing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017000733A1 (en) * | 2015-06-30 | 2017-01-05 | 深圳市九洲电器有限公司 | Set-top box, and set-top box control method, device and system based on brainwave signal |
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| CN110572444A (en) * | 2019-08-21 | 2019-12-13 | 深圳市普威技术有限公司 | System and method for transmitting neural signals |
| CN110572444B (en) * | 2019-08-21 | 2021-11-19 | 深圳市普威技术有限公司 | System and method for transmitting neural signals |
| CN110955330A (en) * | 2019-11-22 | 2020-04-03 | 燕山大学 | Complex object control-based high-arousal-degree electroencephalogram intention distinguishing method |
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| C06 | Publication | ||
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Application publication date: 20150114 |
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| RJ01 | Rejection of invention patent application after publication |